WikiJailbreak–What Are SHSH Blobs? - GSM-Forum

riajul1988 · 12-24-2011, 19:51

iOS Devices users can’t downgrade their firmware to an earlier version which is Jailbreakable. So, The solution is to save your firmware SHSH blobs to be able to downgrade to this version in the future. So, the question is What are SHSH blobs?

What Is SHSH Blob?

It’s a Hash Signature System that Apple use to verify your iOS version and prevent downgrading iOS to have a jailbreak.
Why do we have to save SHSH blobs? Why cant we download it?

SHSH blobs is made by an SHSH formula that uses 3 or 4 TSS keys, The iOS device, the firmware version and the device ECID (Exclusive Chip ID). So SHSH blobs is a device specific. It needs to be saved from your device to be used.
How to Save SHSH blobs?

There is a number of firmwares that can save your SHSH blobs. The most famous program is TinyUmbrella and its developed by the well known iOS developer notcom. The current version of TinyUmbrella 5.00.12. If you have saved your SHSH blobs using TinyUmbrella you will be able to trick iTunes into thinking that you are running an Older version of iOS.

Yashaka · 12-24-2011, 20:41

Nice article

but some thing to change is the current version of tinyumberella is 5.10.02 and you can download it from here
Save your SHSH guy's you gonna get an untethered Soon

12-24-2011, 19:51	#1 (permalink)
riajul1988 No Life Poster Join Date: Feb 2011 Location: (BaNgLaDeSh).(U.A.E,AD) Posts: 1,952 Member: 1511441 Status: Offline Sonork: 100.1604057 Thanks Meter: 1,162	WikiJailbreak–What Are SHSH Blobs? iOS Devices users can’t downgrade their firmware to an earlier version which is Jailbreakable. So, The solution is to save your firmware SHSH blobs to be able to downgrade to this version in the future. So, the question is What are SHSH blobs? What Is SHSH Blob? It’s a Hash Signature System that Apple use to verify your iOS version and prevent downgrading iOS to have a jailbreak. Why do we have to save SHSH blobs? Why cant we download it? SHSH blobs is made by an SHSH formula that uses 3 or 4 TSS keys, The iOS device, the firmware version and the device ECID (Exclusive Chip ID). So SHSH blobs is a device specific. It needs to be saved from your device to be used. How to Save SHSH blobs? There is a number of firmwares that can save your SHSH blobs. The most famous program is TinyUmbrella and its developed by the well known iOS developer notcom. The current version of TinyUmbrella 5.00.12. If you have saved your SHSH blobs using TinyUmbrella you will be able to trick iTunes into thinking that you are running an Older version of iOS.

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12-24-2011, 20:41	#2 (permalink)
Yashaka Banned Join Date: May 2003 Location: Heavens Posts: 6,267 Member: 30124 Status: Offline Sonork: 100.1590000 Thanks Meter: 7,900	Nice article but some thing to change is the current version of tinyumberella is 5.10.02 and you can download it from here Save your SHSH guy's you gonna get an untethered Soon